Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11109531 | Lawn mower with humidity controlled shutter device | Koji Kuriyagawa, Hajime Yoshimura | 2021-09-07 |
| 11109532 | Lawn mower with speed controlled shutter device | Koji Kuriyagawa, Hajime Yoshimura | 2021-09-07 |